Torture method used be mafia members in Glasgow, Scottland. Typically, two one inch incisions are made at the corners of the victim's mouth. Then, further pain is inflicted upon the victim until they scream. Since the mouth has been cut, the incisions rip further alond the side of the face towards the ears.

A nickname for the form of torture that involves cutting a victim's face from the edges of the mouth to the ear, the cut, or its scars, form an "extension" of what resembles a smile. Usually the victim is given a small cut, around 1/4"-1/2", in the corners of the mouth and is then further injured by kicking, stabbing, or other means, causing them to scream and the cuts to further tear. It is also known as a Glasgow grin, Chelsea smile, or Chelsea grin.

Notably the Black Dahlia Murder, in which the victim was cut in half at the waist and given a Glasgow Smile. But maybe not in that order.

A Glasgow Smile Is A Nickname For The Practice Of Cutting A Victim's Face From The Edges Of The Mouth To The Ears. The Cuts, And The Scars They Leave, Form What Resembles To Be An "Extension" Of A Smile. Sometimes To Further Hurt Or Even Kill The Victim, They Would Then Be Stabbed In, Most Notably In The Stomach, So That The Face Would Be Ripped Apart When The Victim Screamed.

After The Victim Was Given A Glasgow Smile, The Victim Was Stabbed In The Abdomen And Let Out A Scream. This Caused The Victim To Rip Their Own Face Apart, Ensuring Their Death.

Two-razor blades taped at one end, with a matchstick stuck in the middle so the two blades seperate, to form a shape similar to this: <. The instrument is then used to slice the face of the victim, leaving thick, pasta-like strands of flesh, that will most definitly scar.